html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #161929;
    position: relative;
    overflow: hidden;
    user-select: none;
}

audio {
    opacity: 0;
}

.message {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    width: 160px;
    background-color: rgba(0, 0, 0, 0.52);
    padding: 0px 17px;
    top: 25px;
    border-radius: 6px;
    overflow: hidden;
    z-index: 1000;
    opacity: 0;
}

/* 消息提示框内容样式 */
.message p {
    line-height: 1;
    font-size:14px;
    color: #ffffff;
}

.spark {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    position: absolute;
    background-color: rgba(231, 200, 160, 0.8);
    box-shadow: 0 0 40px 0 rgba(231, 200, 160, 0.8);
    animation: glow 5s infinite;
}

.medium-spark {
    width: 7px;
    height: 7px;
}

.big-spark {
    width: 10px;
    height: 10px;
    box-shadow: 0 0 40px 0 #e9c9a0, 0 0 20px 0 #FFFFFF, inset 0 0 4px #FFFFFF;
}

.meteor {
    width: 6px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 40px 0 #e9c9a0, 0 0 20px 0 #FFFFFF, inset 0 0 8px rgba(255, 255, 255, 0.6);
    top: 0;
    left: 80%;
    opacity: 0.3;
    transform: rotate(-45deg) translate(0, -50px);
    animation: meteor 7s infinite;
}

.meteor:after {
    content: '';
    width: 20vw;
    height: 6px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(231, 200, 160, 0.4);
    position: absolute;
    top: 0;
    left: 0;
}

@keyframes glow {
    0% {
        opacity: 0.9;
    }

    50% {
        opacity: 0.2;
    }

    100% {
        opacity: 0.9;
    }
}

@keyframes meteor {
    0% {
        transform: rotate(-45deg) translateX(0);
        opacity: 0.3;
    }

    10% {
        opacity: 1;
    }

    20% {
        transform: rotate(-45deg) translateX(-100vw);
        opacity: 0;
    }

    100% {
        transform: rotate(-45deg) translateX(-100vw);
        opacity: 0;
    }
}
